![CURL : Alternative for telnet tool to check listening port state in Linux/Windows - Multi Tech Buzz!! CURL : Alternative for telnet tool to check listening port state in Linux/Windows - Multi Tech Buzz!!](http://www.multitechbuzz.com/wp-content/uploads/2019/12/telnet.png)
CURL : Alternative for telnet tool to check listening port state in Linux/Windows - Multi Tech Buzz!!
![curl: (7) Failed to connect to localhost port 8001: Connection refused getting this error on windows and ubuntu 16.4 · Issue #3035 · Kong/kong · GitHub curl: (7) Failed to connect to localhost port 8001: Connection refused getting this error on windows and ubuntu 16.4 · Issue #3035 · Kong/kong · GitHub](https://user-images.githubusercontent.com/33145296/37398836-c2a89688-27a5-11e8-9ac2-b4b0f49d69dd.png)
curl: (7) Failed to connect to localhost port 8001: Connection refused getting this error on windows and ubuntu 16.4 · Issue #3035 · Kong/kong · GitHub
![Curl: (7) Failed to connect to 10.0.130.62 port 80 after 0 ms: Connection refused - KodeKloud - DevOps Learning Community Curl: (7) Failed to connect to 10.0.130.62 port 80 after 0 ms: Connection refused - KodeKloud - DevOps Learning Community](https://kodekloud.com/uploads/db1265/original/3X/3/1/31b26a456bbd9bdeb0140f10456899badc5c954e.png)
Curl: (7) Failed to connect to 10.0.130.62 port 80 after 0 ms: Connection refused - KodeKloud - DevOps Learning Community
curl: (7) Failed to connect to 20.245.88.48 port 80 after 1 ms: Couldn't connect to server - Microsoft Q&A
![TomNomNom on X: "No telnet or netcat/nc? Use curl with telnet://host:port :) https://t.co/b3lMJy2aee" / X TomNomNom on X: "No telnet or netcat/nc? Use curl with telnet://host:port :) https://t.co/b3lMJy2aee" / X](https://pbs.twimg.com/media/EGwl_yjWoAEG44I.jpg:large)
TomNomNom on X: "No telnet or netcat/nc? Use curl with telnet://host:port :) https://t.co/b3lMJy2aee" / X
![Hack: Using ssh / curl or wget to test TCP port connection state to remote SSH, DNS, SMTP, MySQL or any other listening service in PCI environment servers - ☩ Walking in Hack: Using ssh / curl or wget to test TCP port connection state to remote SSH, DNS, SMTP, MySQL or any other listening service in PCI environment servers - ☩ Walking in](https://www.pc-freak.net/images/using-curl-ssh-wget-to-test-tcp-port-opened-or-closed-for-web-mysql-smtp-or-any-other-linstener-in-pci-linux-logo.png)
Hack: Using ssh / curl or wget to test TCP port connection state to remote SSH, DNS, SMTP, MySQL or any other listening service in PCI environment servers - ☩ Walking in
![Curl: (7) Failed to connect to 10.0.130.62 port 80 after 0 ms: Connection refused - KodeKloud - DevOps Learning Community Curl: (7) Failed to connect to 10.0.130.62 port 80 after 0 ms: Connection refused - KodeKloud - DevOps Learning Community](https://kodekloud.com/uploads/db1265/original/3X/e/9/e979cd05b952a39bc600155221c466f42e3cbbcc.jpeg)
Curl: (7) Failed to connect to 10.0.130.62 port 80 after 0 ms: Connection refused - KodeKloud - DevOps Learning Community
![Ubuntu 18.04 - Issues and curl: (7) Failed to connect to localhost port 8888: Connection refused · Issue #25 · EOSIO/eosio-project-demux-example · GitHub Ubuntu 18.04 - Issues and curl: (7) Failed to connect to localhost port 8888: Connection refused · Issue #25 · EOSIO/eosio-project-demux-example · GitHub](https://user-images.githubusercontent.com/40128659/44989875-2b116f80-af44-11e8-99d6-3042a8efda51.png)
Ubuntu 18.04 - Issues and curl: (7) Failed to connect to localhost port 8888: Connection refused · Issue #25 · EOSIO/eosio-project-demux-example · GitHub
![networking - Cannot curl to another vm's ports using bridged connection in VirtualBox - Stack Overflow networking - Cannot curl to another vm's ports using bridged connection in VirtualBox - Stack Overflow](https://i.stack.imgur.com/jR4BV.png)